CN101428459A - Minute shape molding method and apparatus thereof - Google Patents
Minute shape molding method and apparatus thereof Download PDFInfo
- Publication number
- CN101428459A CN101428459A CNA2008101761574A CN200810176157A CN101428459A CN 101428459 A CN101428459 A CN 101428459A CN A2008101761574 A CNA2008101761574 A CN A2008101761574A CN 200810176157 A CN200810176157 A CN 200810176157A CN 101428459 A CN101428459 A CN 101428459A
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- China
- Prior art keywords
- mould
- minute shape
- heating unit
- uneven part
- molded surface
- Prior art date
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Links
- 238000000465 moulding Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 68
- 239000011347 resin Substances 0.000 claims abstract description 36
- 229920005989 resin Polymers 0.000 claims abstract description 36
- 238000013518 transcription Methods 0.000 abstract 3
- 230000035897 transcription Effects 0.000 abstract 3
- 238000001816 cooling Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 239000002826 coolant Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
- B29C45/372—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings provided with means for marking or patterning, e.g. numbering articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/561—Injection-compression moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/03—Injection moulding apparatus
- B29C45/04—Injection moulding apparatus using movable moulds or mould halves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/65—Processes of preheating prior to molding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A method of molding a minute shape, in which at least one of a pair of dies is provided with an uneven section of a minute shape on a molding surface thereof, clamping of the pair of dies is stopped immediately before the dies are completely clamped, a resin is injected into a cavity, and thereafter the dies are completely clamped to thereby transcribe the shape of the uneven section onto the resin includes preparing a plurality of transcription dies each provided with the uneven section on a molding surface thereof, heating one of the transcription dies (13, 15) which is not used to mold a product by heating units (16, 18), and exchanging the transcription dies (13, 15) with each other, at a point in time at which molding is completed, to thereby mold the product continuously.
Description
Background technology
The present invention relates to a kind of method and device thereof by the injection molded minute shape.
Used in recent years by using the method for the molded product that has small uneven shape from the teeth outwards such as optics of mould.But,, need at high temperature resin to be injected in the cavity of mould in order to come moulded product along the small uneven shape that is formed on the mould molded surface.Therefore, known a kind of like this method of moulding: the clamp operation that just just will have been stopped mould before clamping fully at mould, in this stage resin is injected mould inside, and after this fully clamping mold with thus according to the small uneven shape of mould with resin molded shaping.(for example, seeing Japanese Patent Application Publication 5-8267)
According to this minute shape molding method, even injecting the resin of mould cavity does not accurately spread in the cavity along small uneven shape, also can make resin spread all over the inside of small uneven shape, and by accurately small uneven shape being transcribed on the product with the clamping force clamping mold.
But, in above-mentioned method of moulding, have after resin injects mould and mould will be clamped once more, and the therefore elongated problem of molded time of product.Therefore in addition,, the temperature of mould need be set accurately, and to be used for the molded needed time of next time longer for heating for the mould that makes products solidifying be cooled to predetermined temperature in order to form small uneven shape.That is to say, be unfavorable to high temperature with the temperature of the mould that raises at short notice with mold heated partly.The heating of mould should make its integral body all realize predetermined temperature profile.Part is owing to carrying out this heating, so the molded time of product is longer.
Summary of the invention
The objective of the invention is to address the above problem, and provide a kind of minute shape molding method and device thereof, by this method, can shorten the molded circulation timei of product, and after resin injects, carry out the method for moulding of mold cramping once more can accurately molded minute shape.
A kind of method of molded minute shape, in a pair of mould wherein positioned opposite to each other at least one is the mould (after this being called " transcribing mould ") that is provided with the uneven part of minute shape on its molded surface, just just wanted clamped mechanism to stop this clamping before clamping fully to mould at mould, resin is injected by in this cavity that mould is formed, and after this mould is clamped fully thus the shape of injustice part is transcribed on the resin, described method comprises: prepare a plurality of moulds of transcribing; When transcribing one of mould moulded product, transcribe in the mould another by heating unit heating by use; Behind moulded product, the mould of transcribing at least in the paired mould is moved to heating unit; To transcribe mould by another of heating unit heating simultaneously and move to clamp mechanism; And by using another to transcribe the mould moulded product.
When being opened into by clamp mechanism to mould and when mould takes out product, with its molded surface be provided with the uneven part of minute shape mould, promptly transcribe mould and move to heating unit, and in the mould another of transcribing that will be heated to the predetermined temperature state by heating unit moves to clamp mechanism.
So, in clamp mechanism, can make up a pair of mould, and resin is injected cavity to carry out the molding process of next product thus immediately by using the heated mould of transcribing.
Thereby, just can shorten that mold temperature is elevated to the needed time of predetermined temperature state of carrying out molded needs, even also be so, just can shorten the molded circulation timei of product by the method for moulding that carries out twice mold cramping.Transcribe mould by heating unit heating, and therefore just can be effectively and with accurate temperature state heating mould, and highly precisely molded product with small uneven shape.
To set forth other purpose of the present invention and advantage in following specification, part can display from specification or be understood by the invention practice.Can realize and obtain objects and advantages of the present invention by method and the combination of after this specifically noting.
Description of drawings
The accompanying drawing that is included in the specification and constitutes the part of specification illustrates embodiments of the invention, and is used from the detailed description one of above leader that provides and the following embodiment that provides and explains principle of the present invention.
Fig. 1 is the plane that illustrates according to the embodiment of molding equipment of the present invention.
Fig. 2 is the cutaway view that illustrates according to mould of the present invention.
Fig. 3 is the cutaway view that mould shown in Figure 2 is shown.
Fig. 4 is the cutaway view that mould shown in Figure 2 is shown.
Fig. 5 is the cutaway view that mould shown in Figure 2 is shown.
Fig. 6 is the plane that is used to explain the operation of molding equipment shown in Figure 1.
Fig. 7 is the plane that is used to explain the operation of molding equipment shown in Figure 1.
Fig. 8 is the plane that is used to explain the operation of molding equipment shown in Figure 1.
Fig. 9 is the plane that is used to explain the operation of molding equipment shown in Figure 1.
Figure 10 is another plane that illustrates according to the embodiment of molding equipment of the present invention.
The specific embodiment
Hereinafter with reference to accompanying drawing embodiment according to molding equipment of the present invention is described.Molding equipment 10 comprises mould 12, clamp mechanism 14 as shown in Figure 1, be arranged on heating unit 16 and 18 on clamp mechanism 14 both sides, injecting mechanism 20 etc.Fig. 1 is the plane of molding equipment 10.
In addition, clamp mechanism 14 is provided with motorized motions cylinder 26 at its place, four bights, and (in fact level) drives movable side pressing plate 22 is installed up and down, and moves first mould 13 or second mould 15 with respect to the 3rd mould 17.So a pair of mould 12 suitably opens or closes.By the way, but drive also hydraulic-driven of cylinder 26.
In addition, clamp mechanism 14 has the function of the motion that just stopped movable side installation pressing plate 22 before mould 12 just will be closed fully, and just before just wanting buttoned-up status clamp operation is remained on this state.Gap between first mould, 13 grades and the 3rd mould 17 is corresponding to the degree of depth that is formed on small uneven part on first mould 13 etc. or the value of shape.In addition, clamp mechanism 14 drives movable side from the state that will stop pressing plate 22 before mould 12 as mentioned above will be closed fully again pressing plate 22 is installed, and with predetermined pressure closing molding 12.
Injecting mechanism 20 comprises bucket 32, is arranged on screw 34 on the bucket 32 and the driving mechanism 36 that is used to drive screw 34, and is arranged to whole injecting mechanism 20 and can maybe can comes separated by travel mechanism's (not shown) near clamp mechanism 14.Screw 34 is arranged to it and can be rotated around the axis of bucket 32, but and axially reciprocating.Driving mechanism 36 rotates screw 34 around axis with desired speed in bucket 32, and make screw 34 axially reciprocating at a predetermined velocity.
In addition, first heating unit 16 is arranged on the right side of clamp mechanism 14, and second heating unit 18 is arranged on its left side.Each heating unit is made of electric heater, heating lamp etc., and be provided with the temperature sensor (not shown), survey the temperature of first mould, 13 grades that move from clamp mechanism 14, and heat first mould 13 etc., thereby make first mould, 13 grades reach predetermined temperature, and enter the predetermined temperature state.
In addition, in the moulded product, first heating unit 16 is heated to the predetermined temperature state with first mould 13 by using second mould 15 and the 3rd mould 17 in clamp mechanism 14.By the way, heater such as heating unit 16 grades is not limited to electric heater or heating lamp, the heating means of heating unit are specific limited not, that is to say, also can use add that hot fluid passes inner method, the method that heats by eddy-current heating etc.
The 3rd mould 17 is that first mould 13 and second mould 15 are common, and by the fixation side that above-mentioned fixing piece 25 is fixed to clamp mechanism 24 pressing plate 24 is installed, and the 3rd mould 17 and first mould 13 or the 3rd mould 17 and second mould 15 constitute paired mould 12.
The function and the operation of molding equipment 10 then, hereinafter will be described.
Fig. 2 illustrates mould 12.Mould 12 is the paired moulds that constitute by as the combination of first mould 13 of transcribing mould and the 3rd mould 17, and is attached to clamp mechanism 14.When the molded operation of beginning, clamp mechanism 14 drives movable side pressing plate 22 is installed, and closing molding 12.But just before mould 12 just will be closed fully, clamp mechanism 14 stopped the clamp operation that movable side is installed pressing plate 22, as shown in Figure 3.
Under this state, the screw 34 of injecting mechanism 20 advances in bucket 32, and resin injects in the cavity of mould 12.Resin injects cavity, and the mode of injection is that the amount of resin is enough to make resin to spread in the whole cavity, and is filled in the cavity of mould 12.But, consider resin and the incomplete every nook and cranny that flows into uneven part of injecting mould in some cases from injecting mechanism 20, as shown in Figure 4 with minute shape.
In addition, injecting the stage that resin is finished by injecting mechanism 20, it is soft that resin remains, and drive clamp mechanism 14 once more with complete closing molding 12, as shown in Figure 5.Then, resin stands high pressure by the clamping of mould 12, and resin accurately clamp-ons and be formed on the every nook and cranny in the small uneven part on first mould 13, as shown in Figure 5.
Then, cooling agent passes the coolant path of cooling substrate 28 and 30, and mould 12 is cooled to predetermined temperature.When cooling die 12, clamp mechanism 14 drives cylinder 26 and moves movable side installation pressing plate 22.Then, mould 12 is opened as shown in Figure 6, and taken out product from mould 12.
When from mould 12 taking-up products, clamp mechanism 14 is operated fixtures 23 then, and therefore first mould 13 and movable side installation pressing plate 22 is separated.First mould 13 that separates with movable side installation pressing plate 22 moves to first heating unit 16 by travel mechanism 40, as shown in Figure 7.
In addition, when first mould 13 moved to first heating unit 16, second mould 15 that has moved to second heating unit 18 moved to clamp mechanism 14 by travel mechanism 40, as shown in Figure 8 basically.Second mould 15 that has moved to clamp mechanism 14 is fixed to movable side by fixture 23 pressing plate 22 is installed, and movable side installation pressing plate 22 is driven as illustrated in fig. 9, closes second mould 15 and the 3rd mould 17 as paired mould 12 thus.By second heating unit 18 second mould 15 is heated to the predetermined temperature state, therefore, pressing plate 22 is installed, just can carry out the molded operation of product as long as second mould 15 is fixed to movable side.
On the other hand, when using the second mould moulded product as mentioned above, will wherein finish the first molded mould 13 of product by first heating unit 16 and be heated to the predetermined temperature state.Before the mould that is combined to form 12 moulded products by second mould 15 and the 3rd mould 17, first heating unit 16 is heated to the predetermined temperature state with first mould 13.In addition, when cooling off second mould 15 and taking out product, second mould 15 is moved to second heating unit 18, and basically simultaneously, first mould 13 is moved to clamp mechanism 14 from first heating unit 16.
In addition, clamp mechanism 14 be once more by will forming mould 12 from first mould 13 and the 3rd mould 17 combinations with one another that first heating unit 16 moves to clamp mechanism 14, and resin be injected from injecting mechanism 20 in the cavity of moulds 12 to carry out the molded of next product.First mould 12 is heated to the predetermined temperature state by first heating unit 16, therefore, can carry out the molded of product by step same as described above immediately.Like this, repeat molded.
By the way, the 3rd mould 17 heats by conventional heating means.For example, the 3rd mould 17 adds that hot fluid passes cooling substrate 30 or by the heating of other method by making.This is because the cavity of the 3rd mould 17 does not have the shape of small injustice, for example is flat surfaces, and can solve the heating of the 3rd mould 17 under many circumstances by conventional heating means.When in the cavity of the 3rd mould 17, also being provided with small uneven part, the 3rd mould 17 can be moved to heating unit when the situation that first mould, 13 grades stand to heat.
Thereby, when even the resin of injection cavity is not distributed to the corner of uneven part, after resin is injected the cavity of mould 12, carry out the clamping of mould 12 again, therefore, by second clamp operation resin is applied high pressure, resin is clamp-oned in the slit, also can on the surface of product, form small uneven shape.
In addition, by using one of first mould 13 and second mould 15 to carry out when molded, by first heating unit 16 or second heating unit, 18 another moulds of heating, therefore, even just will clamp the clamping that just stops mould 12 before fully by mould 12, and after resin is injected mould 12, clamp again, also can after finishing product molded, exchange first mould 13 and second mould 15 each other, immediately moulded product and shorten molded time of product.
After this, mould is heated separately, for example, therefore first mould, 13 grades can be provided with heating unit according to mould by the heating of first heating unit 16, and can be at short notice the 3rd mould 13 etc. accurately be heated to the predetermined temperature state.This just can accurately molded product with minute shape.
By the way, in molding equipment 10, when clamp mechanism 14 carries out clamping the second time, by the air in the removal moulds 12 such as use suction unit.
Other advantage and change have been easy to one skilled in the art.Therefore, the present invention is not limited to shown in this paper and described detail and representative embodiment at it aspect more wide in range.Thereby, can carry out various changes and do not deviate from the spirit and scope of the total inventive concept that is limited by appended claims and its coordinate.
Claims (4)
1. the method for a molded minute shape, in a pair of mould wherein positioned opposite to each other at least one is the mould that is provided with the uneven part of minute shape on its molded surface, just want clamped mechanism to stop clamping before clamping fully to described paired mould at described mould, resin is injected in the cavity that is formed by described paired mould, and after this described mould clamps fully thus the shape of described uneven part is transcribed on the described resin, described method comprises: prepare a plurality of moulds (13,15), described mould respectively is provided with the uneven part of minute shape on its molded surface; In by a mould moulded product in the described mould (13,15) that uses the uneven part on its molded surface, be provided with minute shape, on its molded surface, be provided with another mould in the described mould (13,15) of uneven part of minute shape by heating unit (16,18) heating; After moulded product, will be that the described mould (13,13) that its molded surface is provided with the uneven part of minute shape moves to heating unit (16,18) at least in the described paired mould (12); Simultaneously, described another mould (13,15) with uneven part described heating unit (16,18) heating, be provided with minute shape on its molded surface moves to described clamp mechanism (14); And by using uneven described another mould (13,15) partly that on its molded surface, is provided with minute shape to come moulded product.
2. the equipment of a molded minute shape, in a pair of mould wherein positioned opposite to each other at least one is the mould that its molded surface is provided with the uneven part of minute shape, just want clamped mechanism to stop this clamping before clamping fully to mould at described mould, resin is injected in the cavity that is formed by described paired mould, and after this described mould is clamped fully thus the shape of described uneven part is transcribed on the described resin, described equipment comprises:
Clamp mechanism (14), described clamp mechanism are used to clamp described paired mould (12);
Injecting mechanism (20), described injecting mechanism are used for resin is injected in the cavity of mould (12) of described clamping;
At least two moulds (13,15), each is provided with the uneven part of minute shape described mould on its molded surface;
Heating unit (16,18), described heating unit are used to heat the described mould (13,15) of the uneven part that is provided with minute shape on its molded surface; And
Travel mechanism (40), described travel mechanism is used for moving to heating unit (16,18) with being used to the described mould (13,15) of described mould (12) in described clamp mechanism (14) moulded product, that its molded surface is provided with the uneven part of minute shape, and will be heated to uneven another mould (13,15) the partly predetermined temperature state, that its molded surface is provided with minute shape by described heating unit (16,18) and move to described clamp mechanism (14).
3. minute shape molding equipment as claimed in claim 2, it is characterized in that, described heating unit (16,18) be arranged on the both sides of described clamp mechanism (14), on its molded surface, respectively be provided with at least two moulds (13 of the uneven part of minute shape, 15) being arranged on described clamp mechanism (14) locates and described heating unit (16,18) one of locate, after moulded product, the described mould (13 of the uneven part of minute shape will be provided with on its molded surface, 15) move to described heating unit (16 from described clamp mechanism (14), 18), and simultaneously, will be by described heating unit (16,18) one of heating, on its molded surface, be provided with the described mould (13 of the uneven part of minute shape, 15) from described heating unit (16,18) move to described clamp mechanism (14).
4. minute shape molding equipment as claimed in claim 2, it is characterized in that, the a plurality of moulds (13,15) that respectively are provided with the uneven part of minute shape on its molded surface are attached on the tumbler, and the rotation by described tumbler alternately moves to described heating unit (16,18)/move to described clamp mechanism (14) from described heating unit (16,18) with the described mould (13,15) that respectively is provided with the uneven part of minute shape on its molded surface from described clamp mechanism (14).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007288853A JP2009113339A (en) | 2007-11-06 | 2007-11-06 | Minute shape molding method and apparatus thereof |
| JP2007288853 | 2007-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101428459A true CN101428459A (en) | 2009-05-13 |
Family
ID=40587304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101761574A Pending CN101428459A (en) | 2007-11-06 | 2008-11-05 | Minute shape molding method and apparatus thereof |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7820084B2 (en) |
| JP (1) | JP2009113339A (en) |
| CN (1) | CN101428459A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441402A (en) * | 2014-11-15 | 2015-03-25 | 李爱军 | Novel plastic product forming method |
| CN106608032A (en) * | 2016-12-09 | 2017-05-03 | 安徽优丽普科技股份有限公司 | PVC board continuous extrusion molding equipment |
| CN108381859A (en) * | 2018-03-07 | 2018-08-10 | 苏州市天星山精密模具有限公司 | A kind of High Precision Automatic injection-moulding device |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990835B (en) * | 2012-12-27 | 2015-04-15 | 东陶机器（北京）有限公司 | Method for curing and forming sintered products |
| CN104070628A (en) * | 2014-06-25 | 2014-10-01 | 裕克施乐塑料制品（太仓）有限公司 | Complete device for producing polyurethane elastomer foaming material |
| US20180001529A1 (en) * | 2016-06-30 | 2018-01-04 | iMFLUX Inc. | Injection molding with targeted heating of mold cavities in a non-molding position |
| JP6448094B2 (en) * | 2016-08-23 | 2019-01-09 | 株式会社名機製作所 | Mold rotary injection molding machine and mold member replacement method for mold rotary injection molding machine |
| KR101973979B1 (en) * | 2018-10-15 | 2019-08-23 | 주식회사 미코명진 | Mold continuous exchange system of a molding machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA959215A (en) * | 1969-12-09 | 1974-12-17 | Katashi Aoki | Injection molding process and apparatus |
| US3671621A (en) * | 1970-07-01 | 1972-06-20 | Tatsuo Fukuoka | Injection molding method for sandals |
| GB1360303A (en) * | 1972-01-20 | 1974-07-17 | Ici Ltd | Injection moulding process |
| JP3318587B2 (en) * | 1991-01-03 | 2002-08-26 | ブレント，デービッド．ルーデイ | Injection molding equipment |
| JPH058267A (en) | 1991-07-05 | 1993-01-19 | Fanuc Ltd | Injection compressive molding method |
| JP3176987B2 (en) * | 1992-06-01 | 2001-06-18 | 株式会社リコー | Gate seal molding system management device |
| CA2121521A1 (en) * | 1993-04-26 | 1994-10-27 | Mamoru Kimura | Gas-introduced injection molding and method of obtaining the same |
| GB9510046D0 (en) * | 1995-05-18 | 1995-07-12 | Ecole Polytechnique Fudurale D | Process for the manufacture of polymer and composite materials and related equipment |
| US7198480B2 (en) * | 2005-02-01 | 2007-04-03 | Yamato Engineering, Inc. | Injection molding system with high production efficiency and low system cost |
| JP4735367B2 (en) * | 2006-03-28 | 2011-07-27 | 株式会社デンソー | Injection molding equipment |
-
2007
- 2007-11-06 JP JP2007288853A patent/JP2009113339A/en active Pending
-
2008
- 2008-11-05 CN CNA2008101761574A patent/CN101428459A/en active Pending
- 2008-11-05 US US12/265,073 patent/US7820084B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104441402A (en) * | 2014-11-15 | 2015-03-25 | 李爱军 | Novel plastic product forming method |
| CN106608032A (en) * | 2016-12-09 | 2017-05-03 | 安徽优丽普科技股份有限公司 | PVC board continuous extrusion molding equipment |
| CN108381859A (en) * | 2018-03-07 | 2018-08-10 | 苏州市天星山精密模具有限公司 | A kind of High Precision Automatic injection-moulding device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009113339A (en) | 2009-05-28 |
| US7820084B2 (en) | 2010-10-26 |
| US20090115107A1 (en) | 2009-05-07 |
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